The Bolt,tee Head, cataloged under National Stock Number 5306-01-347-5774, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-347-5774 |
| Primary Part Number | 2189243 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Fastener Length | 1.015 INCHES MINIMUM AND 1.035 INCHES MAXIMUM IN |
| Thread Length | 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | TEE NO. 3 |
| Thread Direction | RIGHT-HAND |
| Head Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Width Between Flats | 0.170 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2189243 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5306-01-347-5774 is a Bolt,tee Head, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-347-5774 has 1 manufacturer part number on file: 2189243 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 2189243: Head Height: 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Fastener Length: 1.015 INCHES MINIMUM AND 1.035 INCHES MAXIMUM IN; Thread Length: 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN; Material Document and Classification: AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.